Quick answer
pidan Tofu Cat Litter with Occult Blood Test Particles uses colour-changing particles that may turn blue when they come into contact with trace blood in your cat's urine, giving you an early visual cue to consult your vet.
How the colour-changing particles work
The test particles are mixed into the litter. When your cat urinates, if the urine contains trace amounts of blood (occult blood), a chemical reaction causes the particles to change colour to blue. The change is visible to the naked eye, so you can spot it during your normal scooping routine.
It is important to note that the test is a screening tool, not a diagnostic. A colour change does not confirm a specific illness—it simply suggests that you should monitor your cat and contact your veterinarian for further testing.
What the test does not cover
The test only detects occult blood in urine. It cannot detect other health issues such as urinary tract infections without blood, kidney disease, diabetes, or other conditions. It also cannot tell you the cause of the blood—only that it may be present.
Because the test relies on a chemical reaction, it may occasionally produce a false positive or false negative. Always follow up with a professional veterinary exam if you see a colour change or if your cat shows other symptoms like straining, frequent trips to the box, or crying while urinating.
Frequently asked questions
How do I use the health test litter?
Use it exactly like regular clumping tofu litter. Scoop daily and check the litter for any blue particles. No extra steps are needed—the test happens automatically when your cat urinates.
How long does the colour change last?
The blue colour typically remains visible for several hours after urination, but it may fade over time. Check the litter box within a few hours of your cat using it for the most reliable reading. Scoop and inspect twice daily for best results.
What should I do if I see blue particles?
If you see blue particles, do not panic. Remove the affected clump, monitor your cat for other symptoms, and contact your veterinarian. The test is a screening tool, not a diagnosis. Always follow up with a vet if you see a colour change or notice any behavioural changes.
Product facts
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pidan Tofu Cat Litter with Occult Blood Test Particles: Contains occult blood test particles that can change blue when in contact with trace blood in urine. This gives you a simple, non-invasive way to monitor your cat's urinary health between vet visits.
pidan Tofu Cat Litter with Occult Blood Test Particles



